/* Dino Derby — flat lanes, visible racers, prehistoric stadium */

.race-stage--derby {
  padding: 0.65rem;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(180deg, rgba(68, 45, 28, 0.55) 0%, rgba(20, 12, 8, 0.92) 100%);
  border: 2px solid rgba(120, 80, 50, 0.5);
}

.derby-stadium {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  min-height: 280px;
  border: 2px solid #57534e;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.derby-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 35% at 50% 75%, rgba(234, 88, 12, 0.45) 0%, transparent 70%),
    linear-gradient(180deg, #0c1424 0%, #1e3a5f 35%, #4a3528 100%);
}

.derby-bg-crowd {
  position: absolute;
  left: 0;
  right: 0;
  top: 8%;
  height: 38%;
  background: url('/assets/casino/stadium-crowd.svg') center bottom / 100% auto no-repeat;
  opacity: 0.85;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 80%, transparent);
}

.derby-bg-volcano {
  position: absolute;
  left: 50%;
  bottom: 28%;
  width: 34%;
  height: 38%;
  transform: translateX(-50%);
  background: conic-gradient(from 200deg at 50% 100%, #3f2d20, #5c4033, #2d1f18, #4a3528, #3f2d20);
  clip-path: polygon(20% 100%, 50% 5%, 80% 100%);
  filter: drop-shadow(0 0 24px rgba(234, 88, 12, 0.4));
}

.derby-bg-volcano::after {
  content: '';
  position: absolute;
  left: 40%;
  top: 4%;
  width: 20%;
  height: 18%;
  background: radial-gradient(circle, #fef08a, #f97316, transparent 70%);
  border-radius: 50%;
  animation: derby-glow 1.6s ease-in-out infinite alternate;
}

@keyframes derby-glow {
  to {
    opacity: 1;
    transform: scale(1.1);
  }
}

.derby-torch {
  position: absolute;
  top: 22%;
  font-size: 1.25rem;
  filter: drop-shadow(0 0 8px rgba(251, 146, 60, 0.8));
  z-index: 2;
}

.derby-torch--l {
  left: 6%;
}
.derby-torch--r {
  right: 6%;
}

.derby-track-shell {
  position: relative;
  margin: 38% 10px 44px;
  z-index: 3;
}

.derby-gate {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  padding: 4px 0;
  z-index: 6;
  transition: opacity 0.35s;
}

.derby-gate.open {
  opacity: 0;
}

.derby-gate-stall {
  flex: 1;
  margin: 2px 4px;
  border-radius: 3px;
  background: linear-gradient(90deg, #44403c, #78716c, #44403c);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.derby-lanes {
  position: relative;
  height: 200px;
  margin-left: 36px;
  margin-right: 6px;
  border-radius: 8px;
  border: 4px solid #57534e;
  background:
    repeating-linear-gradient(90deg, #eab308 0 36px, #a16207 36px 72px),
    linear-gradient(180deg, #ca8a04, #854d0e);
  box-shadow: inset 0 4px 12px rgba(0, 0, 0, 0.25);
  overflow: visible;
}

.derby-finish-in {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 16px;
  z-index: 20;
  pointer-events: none;
}

.derby-finish-pole {
  position: absolute;
  inset: 0;
  width: 14px;
  background: repeating-linear-gradient(0deg, #fff 0 12px, #111 12px 24px);
  border-radius: 2px;
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.4);
}

.derby-finish-label {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 0.55rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #fff;
  background: #dc2626;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  white-space: nowrap;
}

.derby-lane {
  position: absolute;
  left: 0;
  right: 0;
  height: 20%;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.22);
}

.derby-lane:last-child {
  border-bottom: none;
}

.derby-lane-inner {
  position: relative;
  height: 100%;
  padding: 0 20px 0 6px;
  --race-endpad: 72px;
}

.derby-racer {
  --race-progress: 0;
  --race-wobble: 0px;
  position: absolute;
  left: calc(var(--race-progress) * (100% - var(--race-endpad)) + var(--race-wobble));
  bottom: 2px;
  display: flex;
  align-items: flex-end;
  gap: 0.2rem;
  z-index: calc(5 + var(--lane-i, 0));
  will-change: left;
}

.derby-racer-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  display: block;
  transform: scaleX(-1);
  filter: drop-shadow(2px 4px 6px rgba(0, 0, 0, 0.5));
  flex-shrink: 0;
}

.derby-racer-img[data-dino="trex"] {
  filter: drop-shadow(2px 4px 6px rgba(0, 0, 0, 0.5)) hue-rotate(118deg) saturate(1.35);
}

.derby-racer.racing .derby-racer-img {
  animation: derby-run 0.24s ease-in-out infinite alternate;
}

.derby-racer.racing .derby-racer-img[data-dino="trex"] {
  animation: derby-run-trex 0.24s ease-in-out infinite alternate;
}

@keyframes derby-run-trex {
  from {
    transform: scaleX(-1) translateY(0);
    filter: drop-shadow(2px 4px 6px rgba(0, 0, 0, 0.5)) hue-rotate(118deg) saturate(1.35);
  }
  to {
    transform: scaleX(-1) translateY(-5px) scale(1.04);
    filter: drop-shadow(2px 4px 6px rgba(0, 0, 0, 0.5)) hue-rotate(118deg) saturate(1.35);
  }
}

@keyframes derby-run {
  from {
    transform: scaleX(-1) translateY(0);
  }
  to {
    transform: scaleX(-1) translateY(-5px) scale(1.04);
  }
}

.derby-racer.racing::after {
  content: '';
  position: absolute;
  left: -12px;
  bottom: 8px;
  width: 16px;
  height: 8px;
  background: radial-gradient(ellipse, rgba(180, 140, 90, 0.8), transparent);
  opacity: 0.7;
}

.derby-racer.winner .derby-racer-img {
  animation: derby-win 0.5s ease-in-out infinite alternate;
}

.derby-racer.winner .derby-racer-img[data-dino="trex"] {
  animation: derby-win-trex 0.5s ease-in-out infinite alternate;
}

@keyframes derby-win-trex {
  to {
    transform: scaleX(-1) translateY(-8px) scale(1.08);
    filter: drop-shadow(0 0 12px rgba(251, 191, 36, 0.85)) drop-shadow(2px 4px 4px rgba(0, 0, 0, 0.45)) hue-rotate(118deg) saturate(1.35);
  }
}

@keyframes derby-win {
  to {
    transform: scaleX(-1) translateY(-8px) scale(1.08);
    filter: drop-shadow(0 0 12px rgba(251, 191, 36, 0.85)) drop-shadow(2px 4px 4px rgba(0, 0, 0, 0.45));
  }
}

.derby-silk {
  min-width: 1.2rem;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 800;
  color: #fff;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  margin-bottom: 4px;
}

.derby-status {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.8), transparent);
  color: #e2e8f0;
  z-index: 4;
}

.derby-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #64748b;
  flex-shrink: 0;
}

.derby-stadium.live .derby-status-dot {
  background: #ef4444;
  box-shadow: 0 0 8px #ef4444;
  animation: derby-pulse 0.7s infinite alternate;
}

.derby-stadium.done .derby-status-dot {
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

@keyframes derby-pulse {
  to {
    opacity: 1;
  }
}

.derby-picks {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.derby-pick {
  position: relative;
  padding: 0.55rem 0.35rem 0.45rem;
  text-align: center;
  border-radius: 10px;
  border: 2px solid #57534e;
  background: linear-gradient(180deg, #78716c, #292524);
  cursor: pointer;
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.1), 0 4px 10px rgba(0, 0, 0, 0.35);
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.derby-pick:hover {
  transform: translateY(-2px);
}

.derby-pick.active {
  border-color: var(--silk, #38bdf8);
  box-shadow: 0 0 18px color-mix(in srgb, var(--silk) 45%, transparent);
}

.derby-pick-no {
  position: absolute;
  top: 0.35rem;
  left: 0.35rem;
  min-width: 1.1rem;
  padding: 0.08rem 0.28rem;
  border-radius: 4px;
  font-size: 0.6rem;
  font-weight: 800;
  color: #fff;
  background: var(--silk, #64748b);
}

.derby-pick-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin: 0.15rem auto 0.2rem;
  display: block;
  transform: scaleX(-1);
  filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.45));
}

.derby-pick-img[data-dino="trex"] {
  filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.45)) hue-rotate(118deg) saturate(1.35);
}

.derby-pick-name {
  display: block;
  font-family: var(--font-display);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #f5f5f4;
}

.derby-pick-odds {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--gold, #f0c14d);
}

.derby-pick-chance {
  display: block;
  font-size: 0.58rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .derby-picks {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 540px) {
  .derby-picks {
    grid-template-columns: repeat(2, 1fr);
  }
  .derby-lanes {
    height: 180px;
  }
  .derby-lane-inner {
    --race-endpad: 58px;
  }
  .derby-racer-img {
    width: 50px;
    height: 50px;
  }
}